4 ms·
> >If two vectors overlap, the dot product is 1. This is only true for a subset of all vectors (normalized or \sum a_i b_i = 1)... > The truth is people confl
by santaclaus 10y ago
> >If two vectors overlap, the dot product is 1.
This is only true for a subset of all vectors (normalized or \sum a_i b_i = 1)...
> The truth is people conflate vectors with arrays, but if you want to think deeper than anyone who does computer graphics needs to, you don't need coordinates or any group of numbers to express vectors.
I'm a math simpleton myself, but computer graphics people can and do go deeper: https://www.cs.cmu.edu/~kmcrane/Projects/DGPDEC/paper.pdf https://www.cs.cmu.edu/~kmcrane/Projects/DGPDEC/paper.pdf
- delinka 10y agoApparently these notes are transliterated out of the author's own notes. It is mentioned that this is only for normal vectors, just not conveniently inline: "Note: just for vectors that only represent a direction and have length 1"